Noel Mackin went missing from his home on 15 April.
Gardaí in Monaghan are seeking the public's help in tracing 18-year-old Noel Mackin.
He was last seen at 1.30pm on 15 April when he went missing from his home in Killgowan, Co. Monaghan.
Noel is described as being six foot tall, of a slight build and with brown short hair.
He was last seen wearing a dark coloured hoodie.
Anyone with information is asked to contact Monaghan Garda Station at (047) 77200 or any Garda Station.
